CN106536382A

CN106536382A - Fire resistant container

Info

Publication number: CN106536382A
Application number: CN201580039765.9A
Authority: CN
Inventors: 安德鲁·贝利
Original assignee: Goodwin PLC
Current assignee: Goodwin PLC
Priority date: 2014-07-21
Filing date: 2015-07-17
Publication date: 2017-03-22
Also published as: EP3172150A1; KR20170033332A; JP2017532257A; US20170166394A1; CA2955137A1; WO2016012768A1; SG11201700277SA

Abstract

A flexible fire-resistant container comprising a woven material coated or impregnated with a fire-resistant coating, especially where the fire-resistant coating comprises vermiculite, and optionally where the woven material is made from fibreglass or fibres thereof, silica glass or fibres thereof, or ceramic glass or fibres thereof; and methods for the production of such a container.

Description

Fire resisting container

Technical field

The present invention relates to the manufacture of fire resisting flexible container.Specifically, the present invention relates to including the coating or dipping of vermiculite Application of the composition in the production of flexible container, is related to include one or more being coated with or being impregnated with vermiculite flexible material The fire resisting flexible container of material and its production method.

Background technology

Global trade and industry need storage and transport billions of tons of material.Various standards and custom-sized container For receiving material, such as intermodal container, intermediate bulk container (IBC) and flexible intermediate bulk container (FIBC). Prove FIBC in product (especially dry products, including powdered chemical；Construction material, such as sand and cement；Animal is raised Material；With for recycling material, such as plastics) storage and transport in be useful especially.

Transport and many materials for trade and industry for storing are inflammable, including paper, timber, plastics, chemicals Deng.Accordingly, there exist the transport to being not only suitable for material and storage but also the demand of the container of fire resisting.For example, exist to being applied to The transport of bulk material and the demand of storage and the container of fire resisting.Also there is the demand to less flexible fire resisting container.

FIBC is generally made up of braided material (particularly polyethylene or polypropylene).Polyethylene and polypropylene all have relatively The ignition temperature of low about 360 DEG C to 380 DEG C.As many products are in the burning apparently higher than at a temperature of above-mentioned ignition temperature, So the fire line very little that the FIBC by made by polyethylene and polypropylene is provided.

Lithium ion battery is generally used for as power electrical apparatus.Nearest two main airlines announce, due to worrying Faulty battery is overheated to cause serious fire, and they are no longer delivered the lithium ion battery of large quantities of transports.Can be in flexibility Container contents are received the flexible container of such as FIBC of flame and can safely transport substantial amounts of lithium ion battery.

The content of the invention

The present invention relates to fire resisting container (especially FIBC) and its production method.In an embodiment of the invention In, fire resistance is obtained by with the flexible material of nonflammable coating composition composition container.In the enforcement for substituting In mode, above-mentioned nonflammable coating composition is impregnated in flexible material.In a preferred embodiment of the present invention, Nonflammable coating composition includes the vermiculite for expanding.

It is (Mg, Fe, Al) that vermiculite is chemical formula₃(Al,Si)₄O₁₀(OH)₂.4H₂The naturally occurring silicate hydrate salt mine of O Thing.Vermiculite has the laminated construction of hydration, and in heating (being heated commonly to 700 DEG C to 1000 DEG C of temperature) or chemical treatment When, which is expanded in referred to as stripping process.In stripping process, fine and close ore thin slice is converted into containing the light of tiny air layer Matter porous particle.Term " vermiculite of expansion " and " vermiculite of peeling " can be with used interchangeablies.The vermiculite granule of peeling is non-combustible , therefore can serve as fire-proofing chemical.

The water insoluble and all organic solvent of vermiculite granule of peeling.Once however, peeling off, they can use such as US Those methods described in 6,309,740 are suspended in stable water-borne dispersions.

Flexible woven material can be coated with the vermiculite coating of expansion or inflated by the dispersion of the vermiculite granule for peeling off Vermiculite coating dipping.Braided material can be coated or be impregnated with the vermiculite of expansion, such as by infusion process or pass through Spray or otherwise coat the dispersion of the vermiculite of peeling.This material can be outstanding to the production of container described herein Which is useful.

The vermiculite of peeling generally preferably includes the vermiculite that chemistry is peeled off.However, the vermiculite for peeling off is alternatively or additionally Including the vermiculite of thermal spalling.The vermiculite of peeling should preferably include the vermiculite and 10% to 0% that 90% to 100% chemistry is peeled off The vermiculite of thermal spalling.

Therefore, it is an object of the present invention to provide a kind of fire resisting container, such as fire resisting FIBC, wherein, fire resistance can It is coated or impregnated with for producing the material of container realizing with by with the refractory coating of the vermiculite including expansion.The present invention Another purpose be to provide a kind of method for producing this fire resisting container.

It is a further object to provide a kind of fire resisting container, such as meet the United Nations's dangerous articles package group II mark Accurate requirement, meet European A levels (nonflammable) and 600 DEG C, 1000 DEG C or 1200 DEG C or higher of preferred pair (such as 1500 DEG C) The FIBC of (lasting) with fire resistance maximum temperature of grade.

Description of the drawings

The present invention is further understood by the merely exemplary the following description and drawings for being given, wherein：

Fig. 1 and Fig. 2 are the schematic diagrames of heat-resisting FIBC.

Fig. 3 is the sectional view for manufacturing the flexible refractory material of fire resisting container (such as fire resisting FIBC).

Fig. 4 to Fig. 7 shows Jing on the hot face of the material for being used for producing fire resisting container as described in Example 4 and huyashi-chuuka (cold chinese-style noodles) The temperature gone through.As shown by data is heated to the temperature after 1000 DEG C at the correlation surface of fabric as described in Example 4.X-axis is with minute The time of meter, and y-axis be by DEG C in terms of temperature.Fig. 4 (individual layer fabric, without thermal insulation layer)；Fig. 5：(6mm thermal insulation layers)；Fig. 6 (10mm Thermal insulation layer)；Fig. 7 (12mm thermal insulation layers).The result of fabric huyashi-chuuka (cold chinese-style noodles) is arranged in fig. 8.

Marginal data：(hot face)；(huyashi-chuuka (cold chinese-style noodles))；... .. (huyashi-chuuka (cold chinese-style noodles)；1mm is spaced)

Fig. 8 shows the comparing result that the fabric of the material suitable for producing fire resisting container is obtained testing.Tables of data The bright temperature for being heated to fabric huyashi-chuuka (cold chinese-style noodles) after 1000 DEG C as described in Example 4.X-axis is time in minutes, y-axis by DEG C in terms of Temperature.

Marginal data：-- -- (individual layer fabric)；(fabric of 6mm thermal insulation layers)；(10mm thermal insulation layers are knitted Product)；.... (fabric of 12mm thermal insulation layers)

Specific embodiment

Flexible intermediate container (FIBC), also referred to as " loose bags " or " sack ", are typically used for industrial materials in bulk (special Be not the industrial materials in bulk of powder, thin slice or particle form) transport and storage container.FIBC can be accommodated from about 100kg is less to 2000kg or bigger, preferably from 500kg to 2000kg, the load of the mass range of such as 1000kg.Other The fire resisting container of size is also contained in invention as described herein.For example, less container be generally used for accommodate it is less Quality, e.g., from about 1kg or be less to 100kg or bigger, e.g., from about 1kg or be less to 30kg or bigger.

Fire resisting container can be fabricated to the volume for making it have the product quality for being suitable for being contained within.In some realities Apply in mode, the volume of above-mentioned container can be 0.0005m³Or more greatly to 3m³Or it is bigger.For example, the volume of container is sometimes Can be about 0.001m³To about 2m³.When less load is needed, the volume of fire resisting container can be with properly scaling, and example Can such as be 0.0005m³To 0.5m³, such as 0.001m³To 0.1m³, preferred 0.001m³To 0.05m³, more preferably 0.002m³Extremely 0.005m³.In other cases, larger size is probably useful, such as 0.1m³Or it is less to 3m³Or it is bigger, preferably 0.2m³To 2.5m³, even more preferably from 0.5m³To 2m³, such as 0.8m³To 1.5m³, such as 1m³.Typical container can have example The size of such as from about 0.10 × 0.10 × 0.10m to about 1.5 × 1.5 × 1.5m, e.g., from about 0.15 × 0.15 × 0.15m to about 1.2 The size of × 1.2 × 1.2m.

Fig. 1 is the schematic diagram of fire resisting FIBC, and which includes one or more side plates 1, and the side plate 1 by engaging or can be seamed in one One or more material pieces for rising are formed；One or more base plates 2, the base plate 2 can form one with one or more in side plate 1 Body is engageable or be stitched to side plate 1, and the base plate 2 optionally includes opening or emission point 5；One or more are optional Cover plate 3, the cover plate 3 can with one or more in side plate 1 formed one or engageable or be sewn onto in side plate 1 one or It is multiple, and cover plate 3 may include opening or load point 6；One or more optional point, band, handle or securing members 4, FIBC can Sling by the point, lasso trick, handle or securing member 4.Fig. 1 shows one embodiment of emission point 5 and load point 6, and they distinguish For the form of zonula occludens 7, the discharge mouth of pipe 5 that 8 tyings are closed and the filling mouth of pipe 6 can be passed through.

Fig. 2 is two schematic diagrames of fire resisting FIBC, and which is included to the feature as described in Fig. 1, and also including optional plus Firmware 9, the reinforcing member 9 surround optional lifting lasso trick 4；Optional reinforcement ribbon (webbing), the reinforcement ribbon is from lifting set Rope 4 continues below FIBC；The optional cover plate 3 of FIBC is sealed to by optional connector 11 to 13, the connector 11 to 13 Side plate 1；And optional reinforcing suturing part 14.

Fig. 3 is the schematic diagram of the sandwich material of layering as described herein, and which can be used for the fire resisting collection for constructing such as FIBC Vanning.The sandwich material includes sealing one or more insulation material layers 15 in refractory material 16, and the refractory material 16 leads to Often available fire resistant compound (vermiculite for for example expanding) is coated or impregnated with, and is optionally further coated with one as herein described Or multiple additional coatings 17.

Carry out some features of exemplary description suitable for fire resisting container solely by reference to container bag in the middle of flexibility now.Should Work as understanding, these features are typically basic chi suitable for the flexible container of FIBC, FIBC are usually not considered as because of its size It is very little for 50cm × 50cm to 120cm × 120cm and height for 50cm to 200cm container.Flexible fire resisting described herein Container can have the reduced size for being suitable for its intended application, but can use one or more spies described by reference to FIBC Levy.

FIBC can be produced as numerous physical forms.In some embodiments, FIBC can be cube or cuboid Shape (" box-like "), and in other embodiments, FIBC can be cylindrical (" cydariform ").In other embodiments, FIBC can be constructed such that each side is single material piece (" 4 plates " is constructed), or can use along two " U-shaped plate " construction of the seam of opposite side.In some embodiments, it is possible to use be conducive to the circle for being minimized seam Or tubular structure method, producing FIBC, this is useful especially to fine or hygroscopic content.In some embodiment party In formula, FIBC can include can help to prevent the baffle plate of bulging, so that the FIBC of Jing fillings keeps desired shape, example Such as cuboid.In some embodiments, FIBC may include extra lasso trick, ribbon, reinforcing member or other stiffening devices.If setting These devices are put for enabling FIBC more safely to transport when filling, they generally can with lift formed one and/ Or be used in combination with lift.

FIBC can be provided with one or more openings or load point such that it is able to add content.Therefore, FIBC can be with The unlimited top at configuration with or without edge, or access groove can be set or slit is accessed.In some embodiments In, the filling mouth of pipe can be integrally formed with the fixation of container or removable cover piece.Other load points include equally may include Access the dome or taper top of the mouth of pipe；" tweed top "；And can remove completely or partly can remove and can be by suitable solid Determine the cover piece that part is fastened to FIBC.Suitable fixture includes slide fastener, hook and loop fastener, eyelet, fastens and buckle and frenulum.The lid of FIBC Fastener hole or drawstring are may include in part.In other embodiments, cover piece can be filled in the case where not having extra securing member Fit over the top of FIBC.In order to store volatile, inflammable, explosive, hygroscopic or dangerous content, with being used as The lid or cover piece of the barrier between content and container outside is favourable to FIBC.

In some embodiments, it is favourable that FIBC is configured with baffle plate or cover piece including filling point.For example, FIBC can Including removable baffle plate, the baffle plate includes being typically positioned as the filling mouth of pipe or the load point at the top of FIBC.Baffle plate May generally reside in designated movement or desired movement (such as sedimentation or expansion in transporting or storing) for exposed and/or product to carry For the position in space.Baffle plate can be made up of the material identical or different with FIBC main bodys.Preferably, baffle plate can be with appropriate soft Property material with manually handle (such as reverse closure).Available suitable rope fastens the mouth of pipe, for example, draw including such as Kev (Kevlar) material, diameter for example, 1mm to 10mm, e.g., from about such as 2mm to 5mm, 3mm.

In some embodiments, FIBC is favourable equipped with more than one cover piece.For example, FIBC can include gear Plate and one or more extra coverings are may further include, the baffle plate includes accessing the mouth of pipe and/or the filling mouth of pipe.It is described Extra covering can be fixed or be can be removed.Extra covering for example may include the one side or basic for covering FIBC One lappet (flap) in upper all faces.Or, extra covering can include two or more, such as two to four It is individual, usually two lappets (also referred to as blade), they are engageable or link together to constitute covering.Can use any Suitable engagement or attachment means, such as slide fastener, snap-fastener, hook and loop fastener (such as Velcro, Velcro), eyelet, fasten button, be Band, fastener hole and drawstring, or can be using suture.Hook and loop fastener, such as Velcro is usually used.

FIBC is also generally provided with emission point, although can simply cut FIBC to discharge content, or can be Go out content from container lifting after opening lid (if present).Emission point can include the discharge mouth of pipe, and the discharge mouth of pipe can Further include protection element, such as barrier film protection, suture cover piece or protectiveness lappet.Nozzle can with drawstring, frenulum closing or Person can have cover piece.In some embodiments, FIBC can enable content to be released with opening.In some embodiments In, the opening can be the whole side or bottom of FIBC, or opening can merely comprise the part of bottom or side.Release row The additive method put a little include slide fastener, hook and loop fastener, eyelet, fasten buckle, frenulum, fastener hole and drawstring.In some embodiments In, emission point is coated with one or more extra coverings that are removable or being fixed to FIBC.For example, one or more are extra Covering may include a lappet or may include two or more, such as two to four, usual two lappets or leaf Piece, they can engage or link together to constitute covering.Any suitable engagement or attachment means can be used, for example Slide fastener, snap-fastener, hook and loop fastener (such as Velcro), eyelet, fasten buckle, frenulum, fastener hole and drawstring, or using suture.It is logical Hook and loop fastener, such as Velcro are used often.However, for some applications are (such as when extra high fire resistance is needed Under), preferably use filling opening/load point to fill and empty container, emission point can be omitted in this case.

FIBC can include various points, lasso trick, handle or securing member, carry with by the machinery of such as fork truck and crane Hang FIBC.For example, can include intersecting square ring or latasuture ring.Sleeve pipe lifting or cover lifting mechanism can be used.Can be with reference to one Root or many handling lasso tricks.

FIBC is generally by being that polypropylene (PP) or polyethylene (PE) are prepared from.Or, FIBC can by HDPE, jute, Burlap or other flexible materials are made.Generally the material of construction FIBC is woven so that gained container has bigger strong Degree and flexibility.

For the storage of some materials, the container of antistatic is favourable.In this respect, generally FIBC is classified at present It is A types to D types.A types FIBC do not embody electrostatic safety feature, and are generally used for transporting nonflammable product.Deposit near container In flammable solvent or inflammable gas, should avoid using A types FIBC.Type B FIBC can not propagate brush discharge, therefore sometimes by which For transporting combustible material.However, although they provide low-level electrostatic discharge protections, Type B FIBC be it is nonfireproof, Therefore protection to outside fire origin is not provided.Type B FIBC can not contain flame, therefore can not prevent containing combustible material Flame propagation between FIBC.C-type FIBC is made up of the material including the interconnection conductive path that can be grounded.Therefore, they are right The accumulation and electric discharge of electrostatic charge provides enhanced protection.However, such as Type B FIBC, c-type FIBC is also nonfireproof；Therefore it The protection to outside fire origin and the flame propagation that can not prevent between the FIBC containing combustible material are not provided.D types FIBC Made by material of the dissipation electrostatic charge without being grounded is designed for.In a kind of form of expression, quasi- conductive yarn is mixed To in the material for constituting FIBC, this can be by corona discharge come release electrostatic lotus.However, such as Type B FIBC and c-type FIBC, D type FIBC is nonfireproof, does not provide the protection to outside fire origin and can not prevent flame propagation.

Therefore, in order to store inflammable material, it is also very desirable to develop the container of fire resisting.For example, in order to store material in bulk Material, it is also very desirable to develop the FIBC of fire resisting.This fire resisting container is not only provided the protection to outside fire origin, but also will Prevent the flame propagation between the container containing inflammable material.In some embodiments of the present invention, it is to mitigate electrostatic Electric discharge, fire resisting container include known one or more features in Type B FIBC, c-type FIBC and D types FIBC.

Fire resisting container is fire resisting or back-fire relief therefore can to provide the container of fire resistance property to the content of container. Fire resisting FIBC is being capable of fire resisting or back-fire relief therefore the content for FIBC provides the FIBC of fire resistance property.Generally, fire resisting packaging Case not only blocks spreading for fire or flame, and can resist on fire.Fire resisting container is applied to fire is not only suitable for again From photothermal some properties that other are originated.These properties are provided for naked light and/or indirect thermal source (such as from industry The radiant heat of process or any other high temperature heat source) endurance.In a preferred embodiment of the present invention, container energy The highest of zero on fire, zero propagation of flame and 600 DEG C, 1000 DEG C or 1200 DEG C or higher (such as 1500 DEG C) (lasting) is realized enough Temperature grade.Thus fire resisting container can be used for protecting the content of container to affect from outside burning things which may cause a fire disaster or thermal source, and/or The fire spread occurred in container is prevented to outside container.

Scattered vermiculite is coated to material by the suspension by expanded vermiculite coat intensity be suitable for manufacture The flexible woven material of fire resisting container (such as fire resisting FIBC), it will thus provide the enhanced fire resistance compared with untreated material. Therefore can be obtained with regard to fire resistance by the conventional material (such as polyethylene or polypropylene) for producing FIBC is middle by this way Favourable improvement.However, for the preferred flexible woven material of the object of the invention is that have higher fire resistance water before coating Flat material.For adopting the example of the optimal flexible woven material of the vermiculite coating of the expansion of manufacture fire resisting container Including fibrous glass, glass fibre and E glass, quartz glass or its fiber, and glass-ceramic or its fiber.

Typical material for producing the fire resisting container of such as FIBC may include that superficial density is 100g/m²To 1500g/ m², such as 200g/m²To 1000g/m², it is more typically 300g/m²To 600g/m²Braided material.The different piece of container Can be made from a variety of materials.For example, when container includes with the baffle plate for accessing the mouth of pipe and also includes extra covering, The baffle plate may include that superficial density is 100g/m²To 500g/m², such as 200g/m²To 400g/m², e.g., from about 300g/m²Material Material, and extra covering may include that superficial density is 400g/m²To 1500g/m², such as 500g/m²To 1200g/m², for example 600g/m²To 1000g/m², e.g., from about 600g/m²Material.

Typical material for constructing container can have following tensile strength：

Warp thread：Usually 1000N/5cm to 8000N/5cm, more typically 2000N/5cm to 5000N/5cm, even more typically For 3000N/5cm to 4000N/5cm, such as about 3500N/5cm；And/or

Weft yarn：Usually 500N/5cm to 6000N/5cm, more typically 1000N/5cm to 4000N/5cm, even more typically For 2000N/5cm to 3000N/5cm, such as about 2500N/5cm.

In one preferred embodiment, coating composition is applied in substrate by the suspension of the vermiculite for expanding.On State suspension and be preferably waterborne suspension, suspension of the vermiculite for particularly expanding in water, although in alternative embodiment In, suspension can be formed using organic solvent or mixed solvent system.With suspension gross weight meter, the vermiculite of expansion is suspending Content in liquid be 3 weight % to 40 weight %, preferably 10 weight % to 35 weight %, more preferably 15 weight % are to 30 weights Amount %, such as 20 weight % or 25 weight %.

Expanded vermiculite particle in suspension is preferably very thin, with being 1nm to 1000 μm by laser diffraction measurement, excellent Choosing is not more than 300 μm of granularity.The D90 granularities (wherein 90% particle be less than intended size) of dispersion preferably at 100 μm extremely 300 μm, more preferably 140 μm to 250 μm, in the range of 160 μm to 200 μm.Coating composition can be free of additive, Or can be containing one or more extra component.Preferred additive includes that kaolin, bentonite or other this kind of clays derive Thing, chelating agent and organic or inorganic adhesive.

The suspension of the vermiculite that suspension is preferably generally peeled off, wherein, the vermiculite of the peeling includes the leech of chemistry peeling Stone.The vermiculite of peeling vermiculite alternatively or additionally including thermal spalling.The vermiculite of peeling should preferably include 90% to Vermiculite and the vermiculite of 10% to 0% thermal spalling that 100% chemistry is peeled off.

In one embodiment, by dip-coating come coat it is to be used including expansion vermiculite coating composition or The material of dipping.In the art, by tension force by material feeding in the coating machine for including the groove containing coating composition.Will Material is completely submerged in groove to guarantee that its coated composition is completely covered.Material is being heated so that coating composition is dried Before to material surface, excessive coating composition can be removed by roll shaft by making material.In the embodiment party for substituting In formula, coating composition can be coated with by spraying, roller coat or by brush.Vermiculite coating on fabric can generally be very Thin coating；Such as 5g/m²To 100g/m², more typically 10g/m²To 50g/m², even more typically 15g/m²To 35g/m², example Such as 20g/m²To 30g/m², e.g., from about 25g/m².Purpose be keep coated material it is flexible while give its fire resistance.

The fire prevention container of such as FIBC can be made up of the material of advance Jing composition for fire-protection coating process.In a reality Apply in mode, material is can be by ceramic fibre, quartz fibre or fabric made by glass fibre (such as E glass fibres).It is described Coating composition can include the vermiculite of expansion.In other embodiments of the present invention, the fire resisting container of such as FIBC can Completely or partially to be assembled by all or part of uncoated material, the material can be fine by ceramic fibre, quartz Dimension or fabric made by glass fibre (such as E glass fibres).After container is produced wholly or in part, can apply to may include swollen The refractory coating of swollen vermiculite is producing fire prevention container.For example, container as described herein can be included containing 94wt% extremely 96wt%SiO₂With 3wt% to 4wt%Al₂O₃Material.

It is that, by each fabric portions is attached together and in the case of assembling, attachment method is preferably i.e. in container The method for making also to provide integrality for whole container when fire or high temperature is undergone.Preferred attachment method is used in packaging Also keep the line of integrality to suture when during case is exposed to fire or at elevated temperature.In one preferred embodiment, it is attached Connect by means of the metal wire that can bear excessive temperature, for example, can bear more than 900 DEG C, preferably greater than 1000 DEG C or exceed 1100 DEG C or 1200 DEG C, such as metal wire of 1500 DEG C of high temperature.The example of the suitable high-temperature metal line with good mechanical strength Son is can to draw covering Helios Kevlar suture including special steel core and Kev from what Padtex Insulation were obtained. Steel core can bear about 1100 DEG C of temperature of long-time, and the combined effect steel core for drawing covering due to steel core and Kev is very It is firm.Kev draws covering to ensure that convenience when using as suture.

Any suitable line can be used.For example, the stainless steel wire for coating in Kev drawing generally can be with 0.1mm extremely The thickness of 1mm, such as 0.2mm to 0.7mm, such as 0.3mm to 0.5mm, e.g., from about 0.4mm.Suitable line can have 50dtex To 2000dtex, the line of more typically 100dtex to 500dtex, such as 150dtex to 300dtex, e.g., from about 200 × 1dtex Property metric density (be given with d × 1, wherein, d is the value in units of dtex).Suitable line can have 2cN to 8cN, for example The intensity of 3cN to 6cN, e.g., from about 3.5cN to 5cN, e.g., from about 4cN to 4.5cN, e.g., from about 4.25cN.Typical line can have Have 5% to 15%, such as 8% to 12%, such as 9% to 10% elongation.

The line of quartz, ceramics or glass fibre has the restriction of High Operating Temperature.Must note when being sutured using this fiber Meaning generally needs slow speed to avoid the fracture of line.Use with high tensile in the case where heat-resisting quantity is needed Including polyimides and the high temperature polymer of aromatic polyamides (such as Kev drawing).Can by with braided material identical mode Improve the operating temperature range of this polymer line with the coating coating including vermiculite.It is determined that for manufacturing fire resisting container Preferred line is the core material being coated or impregnated with by suitable Jing vermiculites coating (such as with high tensile and high-temperature behavior Polymer, such as Kev draw) line that formed.Coating with other cores includes that the line of the coating of vermiculite can be used to be included comprising gold The core of category line, quartz, ceramics or glass fibre.

In order to improve fire resistance, it is possible to use layering or material manufacture fire resisting container (such as fire resisting of interlayer FIBC).The material of the layering or interlayer includes sealing the heat-barrier material in coating completely, part coating or uncoated materials. As described below, heat-barrier material is enclosed in the material of part coating or whole coatings, wherein, coating gives material fire resistance. However, in terms of some of the present invention, the material for surrounding heat-barrier material is the uncoated material (material of i.e. uncoated refractory coating Material).When the fire resistance of the thermal insulation layer in sandwich material be enough to provide enough fire resistances for above-mentioned container, this material can Being advantageous.

Heat-barrier material is generally sealed in part coating or all material of coating, wherein, coating gives material fire resistance. For example, coating generally includes the vermiculite for expanding.Heat-barrier material is generally completely or partially coated with fire resisting as herein described and is applied The material of layer is surrounded.Therefore, sandwich material includes one or more refractory masses as described herein.For example, suitably Layered material can include two or more refractory masses for sealing one or more insulation material layers.This two or more Multiple refractory masses are generally included containing vermiculite (such as vermiculite of thermal expansion and/or chemically expansible, most preferably as herein describedization Learn expansion vermiculite) material.Two or more refractory masses are as described herein can each to have 100g/m²Extremely 1000g/m², such as 200g/m²To 800g/m², more typically 300g/m²To 600g/m²Superficial density.

For example, two refractory masses can encapsulate individual layer heat-barrier material.Or, multilayer insulation material can be encapsulated in two In individual or more refractory masses.The structure preferably makes the material of container be flexible so that in transport and adapt to load.

The sandwich material of layering generally includes heat-barrier material.Any suitable material, such as felt, ceramics can be used Cotton, the material being coated or impregnated with the vermiculite of expansion, fibrous glass, E glass, mineral wool etc..Preferably, heat-barrier material is high quartz Pin felt.The height quartz pin felt of any suitable thickness can be used, for example, the thickness of felt can be 4mm to 30mm, be more typically 5mm to 25mm, is even more typically 6mm to 20mm, such as 8mm to 15mm, such as 10mm to 12mm, e.g., from about 10mm.Can be with Selection gives the property of the height quartz pin felt of the fire resistance needed for FIBC.The superficial density of felt is usually 500g/m²To 5000g/ m², such as 600g/m²To 4500g/m², for example, 900g/m²To 2000g/m², e.g., from about 1200g/m²To about 1800g/m², for example About 1300g/m²To about 1600g/m²。

Although for high temperature application, the fabric for being coated with refractory material is preferably used in this interlayer arrangement, for Some applications, can provide the fire resistance property of acceptable level using the outside sandwich of the fabric of uncoated refractory material.Therefore, Present invention also offers the container that a kind of sandwich material by including two flexible woven material's outer layers and thermal insulation layer is constituted, its In, outer layer is formed by the material with high fire resistance, for example fibrous glass, glass fibre, E glass, quartz glass or its fiber And glass-ceramic or its fiber, wherein, in outer layer layer or two-layer have optionally been partially or fully coated refractory coating.

Optionally include that the refractory material of the sandwich and/or thermal insulation layer of layering is optionally coated with to be designed to assign Give the coating of desirable characteristics.For example, suitable coating can give any or all of performance below material：The rigidity of improvement, change Kind water proofing property or liquid impenetrability, improved intensity, improved flexible and/or improved leakage prevention.Can use Any suitable coating, such as rubber, polyvinyl chloride (PVC), polyurethane (PU), silicone elastomer, fluoropolymer and wax. Most preferably, the coating is fire resistance.Preferred coating includes polyurethane, such as high-performance refractory polyurethane.Optionally, apply Layer can have one or more additive, such as such as colouring agent, reinforcing agent etc., such as Metal Substrate pigment, pigments based on aluminum.Apply Layer can be applied on any surface of the material for constituting container or two faces.

For example, fire resisting container (such as fire resisting FIBC) generally can be made up of the sandwich material being layered, the interlayer of the layering Material includes two braided material layers of the vermiculite for being coated with expansion as described herein, two braided material layers be encapsulated with including The heat-barrier material outer surface of high quartz pin felt are coated with the heat-barrier material of polyurethane coating.Braided material generally has 200g/ m²To 800g/m²Superficial density, and expanded vermiculite carries out processing, is coated or impregnated with, and above-mentioned heat-barrier material has 8mm To the thickness of 15mm.

Property of the refractory material preferably in combination with excellent thermal insulation, fire resistance, flexibility and intensity, and in making from now on In the case of not damaging fire resistance with, can easily Collapsible container.

Thus, for example, there is provided a kind of fire resisting container, wherein：

The size of-the container is 0.15m × 0.15m × 0.15m to 1.2m × 1.2m × 1.2m (that is, bodies of container Product is 0.003m³To 1.73m³)；

- the container includes sandwich material, wherein

Zero outer surface material and inner surface material include that density is 400g/m²To 1500g/m²1500 DEG C are up to temperature tolerance Expanded vermiculite dipping fabric, and the fabric generally has about 3000N/cm to 4000N/cm (warp thread), about The tensile strength of 2000N/cm to 3000N/cm (weft yarn), and the thickness of about 0.5mm～1mm

It is that 4mm to 30mm (typically about 5mm to 20mm) and temperature tolerance are up to 1500 DEG C that zero inner insulating layer includes thickness Quartz glass pin felt

- the container optionally includes that ring and/or handle, the ring and/or handle are included with 400g/m²To 1500g/m² Density and the coating of up to 1500 DEG C of durothermic stainless steel enhanced quartz glass vermiculite fabric, and generally have about 500N/cm to 1000N/cm (warp thread), the tensile strength of about 500N/cm to 1000N/cm (weft yarn), and about 0.5mm to 1mm Thickness

- above-mentioned container optionally includes baffle plate, and the baffle plate is included with 100g/m²To 500g/m²Density and up to The fabric of 1500 DEG C of durothermic glass fibre vermiculite coating, and generally there is about 3000N/50mm to 4000N/50mm The tensile strength of (warp thread), about 1500N/50mm to 2000N/50mm (weft yarn), and the thickness of about 0.2mm to 0.7mm, pass through Each plate stitch is combined using the heart yearn with refractory coating and carrys out assembled container, typically with up to 1500 DEG C of work Make temperature, and generally there is the intensity of 3.5nN to 5nN and the Kev of 5% to 20% elongation to draw the stainless steel wire for coating.

One preferred embodiment of fire resisting container is the fire resisting of the FIBC including refractory material as shown in Figure 2 FIBC, the FIBC of the refractory material include the quartz glass fabric of the refractory coating coating using the vermiculite for including chemically expansible Interlayer and high quartz pin felt intermediate layer, the interlayer include the external coating with high temperature polyurethane coating on both surfaces；More The baffle plate 6 of flexible refractory material, the refractory material include quartz glass fabric individual layer and polyurethane external coating, the quartz Glass fabric is coated with the refractory coating of the vermiculite including chemically expansible, and the baffle plate 6 is hitched with Kev drawstring and can with dimension (Velcro) firm securing member 11 to 13 hangs piece 3 by a pair of closings with FIBC bottoms and side identical sandwich material and covers. In sandwich material the combination of each layer keep it is light and it is foldable without destroying heat-insulating core while generate it is excellent heat-insulated Property and fire resistance, and layer of polyurethane provide prevent moisture and condensation protection, and make material it is anti-sieve leakage.Using more flexibility Internal baffle contributes to meeting the United Nations's dangerous articles package group II standard testing of bag for being partially filled with, wherein, when existing not During the scarce empty or headroom of filling, above-mentioned test request container meets the requirement specified.Preferred suture is with Kev drawing The stainless steel wire of your coating.In order to obtain extra intensity, FIBC can be provided with stainless steel frame and can be enhanced with steel The form of high quartz glass fabric arranges lifting handle 4.Such embodiment can be provided and meet the United Nations's dangerous material bag The requirement of dress group II standard and provide 600 DEG C, 1000 DEG C or 1200 DEG C or higher maximum temperature (lasting) grade FIBC.

Embodiment 1

With aqueous point of the vermiculite (Micafield is provided by Dupr é Minerals) of solids content for about 10% to 17% A prose style free from parallelism coats the quartz glass fabric of braiding by dip-coating.Before the fabric coated with heat drying, by two rollers Between axle, the fabric of extrusion coated is removing excessive vermiculite suspension.The coated fabric of gained undergoes to spray from industrial gasses The hearty flame of lamp.Even if after a large amount of applying flames, fabric will not also be lighted.

Nominal Width is 90cm, and the nominal impregnated silica glass material for being up to 1000 DEG C using temperature is formed as nominal The FIBC of the cubic structure of 85cm × 85cm × 100cm rectangular parallelepiped forms, as shown in figure 1, the FIBC has all by impregnated Quartz glass fabric made by fill the mouth of pipe and the discharge mouth of pipe and corner lifting ring and bandage.The silica glass material of dipping All cut edges or unprocessed edge carries out double seam or J-type is sewed up.The impregnated quartz of Nominal Width 90cm Glass material is prepared by wiping out the edge of the wide fabrics of 90cm to form outside 85cm width.Institute's seam uses suture Made by chain-type stitch or lock-type chain stitch, the suture include can from Padtex Insulation obtain including special Steel core and Kev draw the Helios Kevlar sutures of Kevlar coverings.

Embodiment 2

By resist the heat that applied by blowtorch from outside and resist the flame being exposed to inside FIBC come to embodiment 1 Made by identical material, open-topped cuboid FIBC makes a preliminary test, and closing line is determined to be limiting factor.It is different Line type make incendiary materials of the FIBC in by FIBC apply to keep integrality to reach different time spans during high internal temperature.

Although there is high operating temperature to limit for quartz, ceramics or glass wire, using the suture of this fiber Need careful, it usually needs slow speed is avoiding the fracture of line.In the case where heat resistance is needed using with high stretching Intensity including polyimides and the high temperature polymer of aromatic polyamides (such as Kev drawing).It is determined that for manufacturing fire resisting FIBC's Preferred line is formed by suitable core material (such as the polymer with high tensile and high-temperature behavior, such as Kev draw) Line, wherein, by being coated or impregnated with the core with bag material identical mode vermiculite coating.

Embodiment 3

Three kinds of materials for FIBC manufactures are prepared with the following method：

Material 1

Micashield DM338S (suspension of vermiculite that chemistry peel off) coatings of the Jing from Dupres Minerals Monolithic quartz glass 600g/m²。

DM338S is the water-borne dispersions of the vermiculite that the chemistry having the following properties that is peeled off：

D90：160 μm～200 μm；

Solids content：16%～18%

Viscosity：3000cps～7000cps

DM338S includes the vermiculite with following chemical composition：

SiO₂：39.4%；K₂O：4.5%；CO₂：1.4%；MgO：25.2%；Fe₂O₃：4.0%；TiO₂；0.8%；Al₂O₃： 8.8%；CaO：1.8%；F：0.5%

Material 2

Including two pieces of quartz glass 600g/m of Jing Micashield DM338S coatings²With the height quartz pin felt of 6mm thickness Intermediate layer interlayer.

Material 3

Including two pieces of quartz glass 600g/m of Jing Micashield DM338S coatings²With the height quartz pin of 12mm thickness The interlayer in the intermediate layer of felt.

Resistance of the test hot-fluid through these three materials.Two thermocouples are placed on the opposite face of material.Adjust third Alkane burner is to reach 1000 DEG C of temperature at the distance apart from burner 8cm, and is placed on apart from a face of material The position of 8cm.In the opposite face (huyashi-chuuka (cold chinese-style noodles)) in the face of the face (hot face) of propane burner and material in 20 minutes measurement temperature. The result of the test carried out between 10th minute and 15 minutes is summarised in Table A into C.

Table A

Material 1, an individual layer of the quartz glass fabric of vermiculite coating.

Thermocouple	Average DEG C	Minimum DEG C	Maximum DEG C
				Hot face	1006.6	1002.1	1013.8
Huyashi-chuuka (cold chinese-style noodles)	452.1	446.5	456.0

Table B

6mm thermal insulation layers between the quartz glass fabric layer of two vermiculite coatings.

Thermocouple	Average DEG C	Minimum DEG C	Maximum DEG C
				Hot face	999.4	996.8	1003.2
Huyashi-chuuka (cold chinese-style noodles)	224.9	222.5	226.6

Table C

12mm thermal insulation layers between the quartz glass fabric layer of two vermiculite coatings.

Thermocouple	Average DEG C	Minimum DEG C	Maximum DEG C
				Hot face	1010.1	1008.5	1012.8
Huyashi-chuuka (cold chinese-style noodles)	135.9	134.4	137.6

Embodiment 4

It is as described below to be used for as described herein producing the refractory material of fire resisting container to produce and test.Experimental rig Fabric is exposed to into the 10kg weight across exposed fabric extent, corresponding to about 1000kg/m²Load.Adjust propane burning Device is to produce 1000 DEG C of flame, and the surface of material to be tested is exposed to flame 15 minutes～20 minutes.As a result such as Shown in table D～G and Fig. 4 to 8.

Table D

Thermocouple	Average DEG C	Minimum DEG C	Maximum DEG C
				Hot face	995.3	990.5	1000
Huyashi-chuuka (cold chinese-style noodles)	669.6	647.3	688.4
				Huyashi-chuuka (cold chinese-style noodles) (1mm intervals)	646.0	621.0	666.8

Table E

Material 2 a, individual layer of the quartz glass fabric of vermiculite coating, is backed with 6 millimeters of nonflammable high quartz glass Pin felt.

Thermocouple	Average DEG C	Minimum DEG C	Maximum DEG C
				Hot face	1013.3	1011.7	1014.9
Huyashi-chuuka (cold chinese-style noodles)	382.3	357.5	405.6
				Huyashi-chuuka (cold chinese-style noodles) (1mm intervals)	330.4	303.2	355.6

Table F

Material 3 a, individual layer of the quartz glass fabric of vermiculite coating, is backed with 10 millimeters of nonflammable high quartz glass Pin felt.

Thermocouple	Average DEG C	Minimum DEG C	Maximum DEG C
				Hot face	1026.2	1017.0	1030.9
Huyashi-chuuka (cold chinese-style noodles)	296.8	271.2	320.1
				Huyashi-chuuka (cold chinese-style noodles) (1mm intervals)	273.6	242.9	302.2

Table G

Material 3 a, individual layer of the quartz glass fabric of vermiculite coating, is backed with 12 millimeters of nonflammable high quartz glass Pin felt.

Thermocouple	Average DEG C	Minimum DEG C	Maximum DEG C
				Hot face	1002.7	992.6	1010.6
Huyashi-chuuka (cold chinese-style noodles)	286.7	264.2	308.2
				Huyashi-chuuka (cold chinese-style noodles) (1mm intervals)	285.6	262.1	307.2

Embodiment 5

The fire resisting container of fire resisting FIBC forms is produced using sandwich material as in the foregoing embodiment.Container is by height Two outer layer compositions of the quartz glass fabric of the vermiculite coating of temperature expansion.The side of each outer layer is coated with as sacrifice waterproof The hydrophobic stabilised finish agent of layer.Between each outer layer be 10mm it is thick by with 1000 DEG C of durothermic nonflammable quartzy pins The heat-barrier material of felt composition.Grid is placed in fuel bath.Combustible material of the container to grid/network style arrangement (usually cork or cardboard) is filled, so that air flow is maximized in container.Light after with Velcro closing container Fuel is bathed.In the range of 1000 DEG C, fuel lasts about 2 minutes to typical ignition temperature.Once fuel consumption is finished, fire is put out Go out.In addition to the slight flue dust coating that the deposition due to fuel is produced, container appears not to vestige.Container is not Damage.Combustible material in container does not show the sign of the damage caused by heat or flame, and is not burned or has Other vestiges.The inner surface of container is not damaged.

Claims

1. the container of a kind of flexible and fire resisting, the container are made up of the material of the vermiculite including expansion.

2. container according to claim 1, wherein, the material is to include one or more thermal insulation layers and a kind of or many Plant the layered material of braided material.

3. container according to claim 2, wherein, one or more of thermal insulation layers are encapsulated in the braided material Layer in.

4. the container according to any one of Claims 2 or 3, wherein, the thermal insulation layer includes high quartz pin felt.

5. container according to claim 4, wherein, the thickness of the high quartz pin felt is 4mm to 30mm.

6. the container according to any one of claim 2 to 5, wherein, the braided material is by fibrous glass or which is fine Dimension, quartz glass or its fiber, or glass-ceramic or its fiber are made.

7. according to container in any one of the preceding claims wherein, wherein, the vermiculite of the expansion includes 90% to 100% Chemistry peel off vermiculite and 10% to 0% thermal spalling vermiculite.

8. according to container in any one of the preceding claims wherein, wherein, the material is also coated with optionally including gathering The additional coatings of urethane.

9. according to container in any one of the preceding claims wherein, wherein, the container includes：(i) baffle plate, the gear Plate includes the load point for leading to the container, and the covering that (ii) is other.

10. according to container in any one of the preceding claims wherein, wherein, the bottom of the container, side and cover piece Braided material superficial density be 100g/m²To 1500g/m²。

11. containers according to claim 10, wherein, the braided material of the bottom, side and cover piece of the container Superficial density be 400g/m²To 1500g/m², and the container also includes baffle plate, wherein, the baffle plate includes superficial density For 100g/m²To 500g/m²Braided material.

12. according to container in any one of the preceding claims wherein, wherein, the container is combined with linear slit, its In, the line includes the core for being coated with refractory coating.

13. containers according to claim 12, wherein, the core includes steel, and the coating includes that Kev draws Kevlar。

14. according to container in any one of the preceding claims wherein, and the volume of the container is for about 0.0005m³To about 0.5m³。

15. containers according to any one of claim 1 to 13, the container is FIBC.

A kind of 16. methods of the fire resisting container for manufacture according to any one of claim 1 to 15, methods described bag Include：I () coats braided material with composition for fire-protection coating, and coated material is assembled into container；Or (ii) is by compiling Knit material and completely or partially form container, and formed completely or part with composition for fire-protection coating coating is resulting The container of formation.